Stargate: Timekeepers

Complete any mission on Hard difficulty.

Stun 5 or more enemies with one Stun Grenade.

Kill all enemies from a single area.

Heal your comrades 10 times.

Kill 4 or more enemies with a single burst of Submachine Gun fire.

Finish Missions 1 to 7 without causing an alarm.

Eliminate all reinforcements called in during an alarm.

Use the Steal skill 25 times.

Hit a target from a great distance with the Sniper Rifle.

Use the Chitchat skill 35 times.

Finish Mission 4 without causing an alarm.

Complete a mission without killing anyone.

Lure enemies with a Whistle while using Camo 15 times.

Hide 50 bodies in bushes.

Complete any mission without being spotted.

Finish Mission 7 without causing an alarm.

Finish Mission 2 without causing an alarm.

Throw 40 bodies from precipices.

Finish Mission 6 without causing an alarm.

Finish Mission 3 without causing an alarm.

Kill 3 or more enemies with one hijacked drone.

Finish Mission 1 without causing an alarm.

Discover all opportunities in Missions 1 to 7.

Finish Mission 5 without causing an alarm.